China 1u 19"Rack, 1550nm EDFA Erbium Doped Fiber Amplifier 4ports Optical out, 13-26dBm Output Power, Dual Power Supply, Find details about China EDFA, 1550nm Amplifier from 1u 19"Rack, 1550nm EDFA Erbium Doped Fiber Amplifier 4ports Optical out, 13-26dBm Output Power, Dual Power Supply